As a leader in RF technology, Dow-Key offers high performance waveguide switches operating up to 70 GHz, coaxial switches operating up to 40 GHz, Hi-Rel switches such as SPDT, transfer switch, T-Switch, various waveguide switches and switching blocks, and switching systems such as SATCOM modules, RF matrices with individual switches, non-blocking crossbar, fan-in and fan-out modules, hybrid switching solution and much more (electromechanical, solid state and fiber optics), in addition to, custom switching designs and reliable solutions, as it is required in today's fast paced communication industry. Our products are used in a wide range of different markets, from commercial, military and to space, with applications in ATE, avionics, ground based, satellite communications, broadcasting, Hi-Rel, and many more. We are specialized in RF technology and custom switching needs. Dow-Key Microwave is AS9100 / ISO-9001:2008 certified and is committed to provide unparalleled customer service, competitive pricing and on-time delivery. Founded in 1945, Dow-Key is the oldest continuously operational RF Relay manufacturer in the United States.

Coaxial Switches

Coaxial switches

are an electromechanical switch made primarily for routing microwave signals/RF energy from one point to another within a transmission line. Search For Coaxial Switches

Waveguide Switches

Waveguide switches

are electromagnetic switches with hollow circular or rectangular cross-sections and are used for routing RF energy in microwave communications, broadcasting, and in radar applications. Learn More About Waveguide SwitchesSearch For Waveguide Switches

electromechanical switches

solid state switch matrices

are precision made switching systems, manufactured using solid state switches. Search For Solid State Matrices

RF Matrix

A flexible, yet modular system architecture comprised of a series of brackets, panels and electronic-boards that are universal among all Dow-Key electromechanical models. Learn More About RF Matrix

Fiber Optic Matrices

Dow-Key

fiber optic switch matrices

are designed to switch signals in pure optical domain with the use of MEMS switches.Search For Fiber Optic Matrices

PXI Switch Modules Alternatives

PXI switch modules

are manufactured for high performance switching devices used in a PXI switch solution, we now offer alternative solutions such as the Electromechanical matrix product line.Search For Electromechanical matrix products

Programmable Delay Lines

Programmable Delay Lines

are programmable devices are designed to delay RF input signals up to 200ns maximum with a minimum step size starting at 10 ps. Dow-Key produces the highest quality, and most reliable programmable delay lines and offers them in a variety of delays. Search For Programmable Delay Lines

Archived Products

section will help you find information regarding retired Dow-Key products.Search For Archived Products

RF Switch

We offer electro-mechanical and solid-state and coaxial switches for a wide range of RF and microwave applications. We have extensive experience with commercial, Military, Avionics and Space markets.Learn More About RF Switch